DEVICE FOR HOISTING TUBING PIPES Russian patent published in 2005 - IPC

FIELD: oil industry.

SUBSTANCE: device has elevator suspended by ropes on hook of maintenance device. Mechanical pipe key with spider are placed at well mouth, provided with working zones. Moveable stands for accumulating and dispensing tubing pipes have receiving groove. At closest to well mouth end of receiving groove pipe body is mounted with slant to well mouth. Inside of pipe body pipe catcher is mounted with possible reciprocal movement, made half-open on the side of moving stands. Pipe catcher is provided with holder, placed at its upper end and directed analogically to the latter. Pipe catcher is connected to rod of one-directional action pneumatic cylinder, having air feed adjuster. Pneumatic cylinder is mounted on pipe body. Inside pipe body template position limiter provided with damper is mounted with possible adjustment of its height position. In starting position pipe catcher is lowered. Template is inserted into pipe lying on stands. During hoisting of pipe template passes through pipe and falls into pipe catcher.

EFFECT: higher efficiency.

3 dwg